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<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
		<iframe src="01输入标签.html" width="50% "height="500px" name="if"></iframe>
		<iframe width="50%" height="500px" src="https://www.jd.com/"></iframe>
		<a href="02表单标签.html" target="if">表单</a>
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